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TuningBot DTC Database · v4.38.5

P1171 VAG - Diagnostic Trouble Code (2 interpretations)

Manufacturer-specific interpretation for VAG. All interpretations of P1171

P · PowertrainEngineOBD2

What P1171 means

P1171
Throttle motor position sensor 2 - range/performance problem VAG · engine Data confidence 62%

The control module judged the Throttle motor position sensor 2 behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring
  • throttle valve tight/sticking
  • throttle motor position sensor
Applies to Audi
P1171
Angle Sensor 2 for Throttle Actuator (G188) Implausible Signal VAG · engine Data confidence 80%

The control module judged the Angle Sensor 2 for Throttle Actuator (G188) signal implausible when compared with other operating data. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17579. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

Malfunction Indicator Lamp (MIL) active

Possible causes

  • Angle Sensors 1/2 for Throttle Actuator (G187/G188) faulty
  • Power Supply for Angle Sensors 1/2 for Throttle Actuator (G187/G188) faulty
  • Wiring/Connector(s) from/to Angle Sensors 1/2 for Throttle Actuator (G187/G188) faulty

Recommended checks

Check Angle Sensors 1/2 for Throttle Actuator (G187/G188)

Applies to Volkswagen

Related and nearby codes

How to read P1171

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

171

Specific fault index within the subsystem.

Frequently asked questions about P1171

What does P1171 mean?

Diagnostic Trouble Code (2 interpretations). The control module judged the Throttle motor position sensor 2 behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Audi.

Is P1171 generic or manufacturer-specific?

P1171 is a manufacturer-specific code. In this database it is documented for: VAG. The same number can mean something different on other brands.

Can TuningBot remove P1171 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningStage 1 dyno results for VAG engines See the results →

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